User guide

Temperature ControlleriB6 / iB12

3.3 Selecting One or All Zones

To select one zone, press repeatedly until only that zones PV and SP are displayed.

To select all zones, press repeatedly until the PV and SP for all zones are

displayed with asterisks between the PV and SP for zones 3 and 4 (see right) on

an iB6, and between zones 3 and 4, and zones 9 and 10 on an iB12.

3.4 Mode of Operation

3.4.1 Viewing Current Mode

The current mode of all zones and their output percentages can be displayed by briefly pressing the

menu-access/exit button . Mode indicators and their meanings are listed in the next subsection.

3.4.2 Mode Indicators

In addition to indicators for the selectable modes (see 3.4.3 and 3.4.4), additional mode indicators are

displayed under special circumstances, such as when Autotune or soft start is active.

The mode indicators are:

HSB Hardware standby (external signal put whole controller on standby)

NRM Normal (closed loop)

NTU Normal auto tuning (Autotuning in process)

NSS Normal soft start—Gradual warming if the process value is less than the lower of

the setpoint or 93 °C (200 °F)

NRB Normal mode boost (using configured boost setpoint)

MAN Manual (open loop)

MAB Manual mode boost (using configured boost percentage)

SBY Standby (using configured standby setpoint in Normal mode or fixed output

percent in Manual mode)

SSS Standby soft start—If zone is set to start up in Standby, it will gradually warm to the

Standby setpoint if process value is less than the lower of the Standby setpoint or

93 °C (200 °F).

IDL Idle (no output)

FSF Failsafe (in state configured using Superv [Supervisor] menu)

OFF Offline (unused zone)

3.4.3 Changing Mode

To change mode of operation:

1) Select one zone or all zones as described above.

2) Access the mode-selection function by pressing

3) Step through the selectable modes (refer to section 3.4.4) by pressing the

button repeatedly

until the mode you want is displayed.

4) Confirm the selection and exit the mode-selection function by pressing

. A confirmation

message will be displayed briefly, and then the normal operating display returns.

3.0 User Interface

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